Iowa: Governors: 1846-1868
| Governor of the State of Iowa | |
| 3 Dec 1846 - 4 Dec 1850 | Ansel Briggs |
| 4 Dec 1850 - 9 Dec 1854 | Stephen P. Hempstead |
| 9 Dec 1854 - 14 Jan 1858 | James Wilson Grimes |
| 14 Jan 1858 - 11 Jan 1860 | Ralph Phillips Lowe |
| 11 Jan 1860 - 14 Jan 1864 | Samuel Jordan Kirkwood |
| 14 Jan 1864 - 16 Jan 1868 | William Milo Stone |